The invention discloses a direct-current converter for an electric vehicle charging pile. The resonant circuit adopts a two-stage conversion structure and comprises a pre-stage buck circuit and a post-stage boost circuit; stable output current can be provided for the post-stage boost converter according to the structure of the pre-stage buck converter, a long service life is achieved, and a relatively high output level can still be provided under the condition of discontinuous current; and the post-stage boost circuit can effectively reduce output ripples.

    本发明公布了一种电动汽车充电桩用直流变换器。该谐振电路采用二级变换结构,包括前级降压电路和后级升压电路,依照前级降压变换器的结构可以为后级升压变换器提供稳定输出电流,具有较长的使用寿命,能够在电流断续的情况下仍能提供较高的输出水平,后级升压电路能够有效降低输出纹波。


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    Titel :

    Direct-current converter for electric vehicle charging pile


    Weitere Titelangaben:

    一种电动汽车充电桩用直流变换器


    Beteiligte:
    WU GANG (Autor:in) / XUE LI (Autor:in) / LIANG RUIZHI (Autor:in) / XU ZIHAN (Autor:in) / ZHANG XIAOYING (Autor:in) / RAN JUNCHAO (Autor:in) / XU ZILIANG (Autor:in) / LIU KAI (Autor:in)

    Erscheinungsdatum :

    2021-07-09


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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